Botanical Interests, Inc.
Cosmos Diablo Org
Botanical Name: Cosmos sulphureus
Plant Dimensions: 4'–5' tall
Variety Information: 1–1½" bright, scarlet/orange blossoms
Exposure: Full sun
Bloom Period: Summer to frost
Attributes: Attracts Hummingbirds, Attracts Pollinators, Cut Flower, Drought Tolerant
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date, and when soil temperature is at least 60°F.
When to Start Inside: 4 to 6 weeks before your average last frost date.
Days to Emerge: 5–10 days
Seed Depth: Barely cover
Seed Spacing: A group of 3 seeds every 12"
Thinning: When 1" – 2" tall, thin to 1 every 12"
Harvesting: For longest vase life, cut stems just as flower buds begin to open.
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Would you prefer to shop in-store? We have six locations located in Tulsa, Broken Arrow, and Owasso Oklahoma.